What is hot water recovery?
What is hot water recovery? Drain water heat recovery systems are designed to capture that heat that is lost from the hot water going down the drain. That hot water, instead of being sent to your municipal sewer system, septic tank, or gray water recycling system, is instead used to pre-heat the cold water that enters your household water heater. Can heat pump be used for hot water? Most homeowners who have heat pumps use them to heat and cool their homes. But a heat pump also can be used to heat water -- either as stand-alone water heating system,...